Speedo/Tach issues

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SadSack

Junior Member
Joined
Apr 21, 2026
Posts
1
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Location
MO
First Name
William
Truck Year
1984
Truck Model
C10 Suburban
Engine Size
Detroit 6.2
Hey all, just acquired a very clean 84 C10 suburban with a 6.2 detroit and was told a 4L80 swap, it seems like a 4L80 to me but im curious if i can get any input on getting the speedo and tach working on a new Dakota Digital RTX gauge kit to read out. Bought it with a stock gauge cluster that pegs were broken on/didnt work and lights didnt work so decided to replace it and go from there. Got everything else hooked up and reading correct but hit a dead end on what to do going forward since its a non standard vehicle. Appreciate any help you guys can offer. First Diesel so learning a lot while i go.
 

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